package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

@RestController
@RequestMapping("/admin/dish")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;


    /**
     * 新增菜品
     * @param dishDTO
     * @return
     */
    @PostMapping
    public Result add(@RequestBody DishDTO dishDTO){
        log.info("新增菜品:{}",dishDTO);
        dishService.add(dishDTO);

        //清理缓存数据
        String key = "dish_"+dishDTO.getCategoryId();
        cleanCache(key);
        return Result.success();
    }

    /**
     * 菜品分页查询
     * @param pageQueryDTO
     * @return
     */
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO pageQueryDTO){
        log.info("菜品分页查询:{}",pageQueryDTO);
        PageResult pageResult = dishService.page(pageQueryDTO);
        return Result.success(pageResult);
    }


    /**
     * 批量删除菜品
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result delete(@RequestParam List<Long> ids){
        log.info("批量删除菜品:ids:{}",ids);
        dishService.delete(ids);

        //清理缓存数据(以dish_开头的key)
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据id查询菜品
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public Result<DishVO> getById(@PathVariable Long id){

        log.info("根据id查询菜品:id:{}",id);
        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    /**
     * 修改菜品
     * @param dishDTO
     * @return
     */
    @PutMapping
    public Result update(@RequestBody DishDTO dishDTO){
        log.info("修改菜品:{}",dishDTO);
        dishService.update(dishDTO);

        //清理缓存数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 菜品起售、停售
     * @param status
     * @return
     */
    @PostMapping("/status/{status}")
    public Result enableOrDisable(@PathVariable Integer status,Long id){
        log.info("菜品起售、停售:{}",status);
        dishService.enableOrDisable(status,id);

        //清理缓存数据
        cleanCache("dish_*");

        return Result.success();
    }

    /**
     * 根据分类id查询菜品
     * @param categoryId
     * @return
     */
    @GetMapping("/list")
    public Result<List<Dish>> getByCategoryId(Long categoryId){

        log.info("根据分类id查询菜品:id:{}",categoryId);
        List<Dish> dishes = dishService.getByCategoryId(categoryId);
        return Result.success(dishes);
    }

    /**
     * 清理缓存数据
     * @param pattern
     */
    private void cleanCache(String pattern){
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }
}
